According to the current astronomical observation and exploration, the solar system is composed of the sun, 9 planets and their satellites.
For example: Sun, Mercury, Venus, Earth, Moon, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto etc.
This game is based on the background of v...
According to the current astronomical observation and exploration, the solar system is composed of the sun, 9 planets and their satellites.
For example: Sun, Mercury, Venus, Earth, Moon, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto etc.
This game is based on the background of v...